Multiplier version: 9pin splitter 1 to 2/ 1 to 4 usb 2.0 adapter. 1 to 4 version with double chipset included, works well and stable. With back glue, can be directly fixed on the main board or chassis firmly. Prevent short circuit outlet design. Prevent accidental removal of circuit board, pins and case the risk of short circuit. Plug 9PIN interface to motherboard set, transfer one or two 9PIN to two or f Our USB 2.0 on the front panel. Convenient for Use. 1 Set Extension Cable Material:PCB Size: As Picture Shown 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. About shlpping: All items will be shlpped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.